City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3128508200 | +1 312-850-8200 Illinois U.S.A.
  • 3128508201 | +1 312-850-8201 Illinois U.S.A.
  • 3128508202 | +1 312-850-8202 Illinois U.S.A.
  • 3128508203 | +1 312-850-8203 Illinois U.S.A.
  • 3128508204 | +1 312-850-8204 Illinois U.S.A.
  • 3128508205 | +1 312-850-8205 Illinois U.S.A.
  • 3128508206 | +1 312-850-8206 Illinois U.S.A.
  • 3128508207 | +1 312-850-8207 Illinois U.S.A.
  • 3128508208 | +1 312-850-8208 Illinois U.S.A.
  • 3128508209 | +1 312-850-8209 Illinois U.S.A.
  • 3128508210 | +1 312-850-8210 Illinois U.S.A.
  • 3128508211 | +1 312-850-8211 Illinois U.S.A.
  • 3128508212 | +1 312-850-8212 Illinois U.S.A.
  • 3128508213 | +1 312-850-8213 Illinois U.S.A.
  • 3128508214 | +1 312-850-8214 Illinois U.S.A.
  • 3128508215 | +1 312-850-8215 Illinois U.S.A.
  • 3128508216 | +1 312-850-8216 Illinois U.S.A.
  • 3128508217 | +1 312-850-8217 Illinois U.S.A.
  • 3128508218 | +1 312-850-8218 Illinois U.S.A.
  • 3128508219 | +1 312-850-8219 Illinois U.S.A.
  • 3128508220 | +1 312-850-8220 Illinois U.S.A.
  • 3128508221 | +1 312-850-8221 Illinois U.S.A.
  • 3128508222 | +1 312-850-8222 Illinois U.S.A.
  • 3128508223 | +1 312-850-8223 Illinois U.S.A.
  • 3128508224 | +1 312-850-8224 Illinois U.S.A.
  • 3128508225 | +1 312-850-8225 Illinois U.S.A.
  • 3128508226 | +1 312-850-8226 Illinois U.S.A.
  • 3128508227 | +1 312-850-8227 Illinois U.S.A.
  • 3128508228 | +1 312-850-8228 Illinois U.S.A.
  • 3128508229 | +1 312-850-8229 Illinois U.S.A.
  • 3128508230 | +1 312-850-8230 Illinois U.S.A.
  • 3128508231 | +1 312-850-8231 Illinois U.S.A.
  • 3128508232 | +1 312-850-8232 Illinois U.S.A.
  • 3128508233 | +1 312-850-8233 Illinois U.S.A.
  • 3128508234 | +1 312-850-8234 Illinois U.S.A.
  • 3128508235 | +1 312-850-8235 Illinois U.S.A.
  • 3128508236 | +1 312-850-8236 Illinois U.S.A.
  • 3128508237 | +1 312-850-8237 Illinois U.S.A.
  • 3128508238 | +1 312-850-8238 Illinois U.S.A.
  • 3128508239 | +1 312-850-8239 Illinois U.S.A.
  • 3128508240 | +1 312-850-8240 Illinois U.S.A.
  • 3128508241 | +1 312-850-8241 Illinois U.S.A.
  • 3128508242 | +1 312-850-8242 Illinois U.S.A.
  • 3128508243 | +1 312-850-8243 Illinois U.S.A.
  • 3128508244 | +1 312-850-8244 Illinois U.S.A.
  • 3128508245 | +1 312-850-8245 Illinois U.S.A.
  • 3128508246 | +1 312-850-8246 Illinois U.S.A.
  • 3128508247 | +1 312-850-8247 Illinois U.S.A.
  • 3128508248 | +1 312-850-8248 Illinois U.S.A.
  • 3128508249 | +1 312-850-8249 Illinois U.S.A.
  • 3128508250 | +1 312-850-8250 Illinois U.S.A.
  • 3128508251 | +1 312-850-8251 Illinois U.S.A.
  • 3128508252 | +1 312-850-8252 Illinois U.S.A.
  • 3128508253 | +1 312-850-8253 Illinois U.S.A.
  • 3128508254 | +1 312-850-8254 Illinois U.S.A.
  • 3128508255 | +1 312-850-8255 Illinois U.S.A.
  • 3128508256 | +1 312-850-8256 Illinois U.S.A.
  • 3128508257 | +1 312-850-8257 Illinois U.S.A.
  • 3128508258 | +1 312-850-8258 Illinois U.S.A.
  • 3128508259 | +1 312-850-8259 Illinois U.S.A.
  • 3128508260 | +1 312-850-8260 Illinois U.S.A.
  • 3128508261 | +1 312-850-8261 Illinois U.S.A.
  • 3128508262 | +1 312-850-8262 Illinois U.S.A.
  • 3128508263 | +1 312-850-8263 Illinois U.S.A.
  • 3128508264 | +1 312-850-8264 Illinois U.S.A.
  • 3128508265 | +1 312-850-8265 Illinois U.S.A.
  • 3128508266 | +1 312-850-8266 Illinois U.S.A.
  • 3128508267 | +1 312-850-8267 Illinois U.S.A.
  • 3128508268 | +1 312-850-8268 Illinois U.S.A.
  • 3128508269 | +1 312-850-8269 Illinois U.S.A.
  • 3128508270 | +1 312-850-8270 Illinois U.S.A.
  • 3128508271 | +1 312-850-8271 Illinois U.S.A.
  • 3128508272 | +1 312-850-8272 Illinois U.S.A.
  • 3128508273 | +1 312-850-8273 Illinois U.S.A.
  • 3128508274 | +1 312-850-8274 Illinois U.S.A.
  • 3128508275 | +1 312-850-8275 Illinois U.S.A.
  • 3128508276 | +1 312-850-8276 Illinois U.S.A.
  • 3128508277 | +1 312-850-8277 Illinois U.S.A.
  • 3128508278 | +1 312-850-8278 Illinois U.S.A.
  • 3128508279 | +1 312-850-8279 Illinois U.S.A.
  • 3128508280 | +1 312-850-8280 Illinois U.S.A.
  • 3128508281 | +1 312-850-8281 Illinois U.S.A.
  • 3128508282 | +1 312-850-8282 Illinois U.S.A.
  • 3128508283 | +1 312-850-8283 Illinois U.S.A.
  • 3128508284 | +1 312-850-8284 Illinois U.S.A.
  • 3128508285 | +1 312-850-8285 Illinois U.S.A.
  • 3128508286 | +1 312-850-8286 Illinois U.S.A.
  • 3128508287 | +1 312-850-8287 Illinois U.S.A.
  • 3128508288 | +1 312-850-8288 Illinois U.S.A.
  • 3128508289 | +1 312-850-8289 Illinois U.S.A.
  • 3128508290 | +1 312-850-8290 Illinois U.S.A.
  • 3128508291 | +1 312-850-8291 Illinois U.S.A.
  • 3128508292 | +1 312-850-8292 Illinois U.S.A.
  • 3128508293 | +1 312-850-8293 Illinois U.S.A.
  • 3128508294 | +1 312-850-8294 Illinois U.S.A.
  • 3128508295 | +1 312-850-8295 Illinois U.S.A.
  • 3128508296 | +1 312-850-8296 Illinois U.S.A.
  • 3128508297 | +1 312-850-8297 Illinois U.S.A.
  • 3128508298 | +1 312-850-8298 Illinois U.S.A.
  • 3128508299 | +1 312-850-8299 Illinois U.S.A.